| Smile Medical Imp & Exp Co., Limited | Private company limited by shares | Live |
| SMILE MEDICAL APPARATUS CO., LIMITED | Private company limited by shares | Live |
| CHINA SMILE CULTURE MEDIUM GROUP LIMITED | Private company limited by shares | Live |
| Metta Smile Group Limited | Private company limited by shares | Live |
| MIGHTY SMILE LIMITED | Private company limited by shares | Live |
| SMILE MILESTONE LIMITED | Private company limited by shares | Dissolved |
| Million Smile Limited | Private company limited by shares | Live |
| Moon Smile Limited | | Live |
| MUSHROOM SMILE LIMITED | Private company limited by shares | Live |
| Nature Smile Company Limited | Private company limited by shares | Live |
| SMILE PACIFIC OCEANS LIMITED | Private company limited by shares | Dissolved |
| SMILE OFFICE SUPPLIES LIMITED | Private company limited by shares | Live |
| SMILE OFFICE SUPPLY COMPANY LIMITED | Private company limited by shares | Live |
| SMILE OPEN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Operation Smile International Charitable Foundation Limited | Company limited by guarantee | Live |
| SMILE OPHTHALMIC LIMITED | Private company limited by shares | Dissolved |
| HK SMILE LED OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Original Smile Limited | Private company limited by shares | Live |
| SMILE HAPPY OUTDOOR GOODS LIMITED | | Live |
| SMILE ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Yueyang Smile Packing Equipment&Material Co., Limited | Private company limited by shares | Live |
| Smile Place Limited | | Live |
| SMILE PLANNING LIMITED | Private company limited by shares | Dissolved |
| Smile Play Company Limited | | Live |
| Smile Plus Company Limited | Private company limited by shares | Live |
| SMILE POWER LIMITED | Private company limited by shares | Live |
| SMILE POWER LIMITED | Private company limited by shares | Live |
| SMILE NEW POWER (HK) LIMITED | Private company limited by shares | Dissolved |
| SMILE PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| Smile Production Limited | Private company limited by shares | Live |
| Smile Promotion Co., Limited | Private company limited by shares | Live |
| Smile Property Limited | Private company limited by shares | Live |
| SMILE POT (HONGKONG) ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| Smile Research Limited | Private company limited by shares | Live |
| SMILE RICE COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| SMILE RICH LIMITED | Private company limited by shares | Dissolved |
| RICH SMILE LIMITED | Private company limited by shares | Dissolved |
| SMILE RICH LIMITED | Private company limited by shares | Live |
| RIGHT SMILE LIMITED | Private company limited by shares | Live |
| ROSILY SMILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HI SMILE S.A. LIMITED | Private company limited by shares | Live |
| SMILE SADDLERY LIMITED | Private company limited by shares | Live |
| SAFE SMILE LIMITED | Private company limited by shares | Dissolved |
| SECOND SMILE FOUNDATION LIMITED | Company limited by guarantee | Live |
| SHENZHEN SMILE LIMITED | Private company limited by shares | Live |
| Shiny Smile Company Limited | Private company limited by shares | Dissolved |
| Ship with a Smile Limited | Private company limited by shares | Live |
| SILVER SMILE (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SIMPLY SMILE LIMITED | Private company limited by shares | Live |
| Your Smile Your Sky's Limited | | Live |
| Smile 2 Smart Limited | Private company limited by shares | Live |
| SMILEY SMILE LIMITED | | Live |
| SNOWY SMILE LIMITED | Private company limited by shares | Live |
| SMILE SOURCES LIMITED | Private company limited by shares | Dissolved |
| Smile Sourcing Limited | Private company limited by shares | Live |
| STAR SMILE LIMITED | Private company limited by shares | Dissolved |
| SMILE STAR MAN COMPANY LIMITED | | Live |
| Star Smile Co., Limited | Private company limited by shares | Live |
| STAY SMILE LIMITED | | Live |
| SMILE STONE LIMITED | Private company limited by shares | Dissolved |
| SMILE STUDIO (HK) LIMITED | Private company limited by shares | Live |
| Smile Studios Limited | Private company limited by shares | Live |
| SUNNY SMILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNNY SMILE LIMITED | Private company limited by shares | Live |
| SUNNY SMILE ASSOCIATION LIMITED | Private company limited by shares | Live |
| SUNNY SMILE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SUNNY SMILE INVESTMENT LIMITED | Private company limited by shares | Live |
| SUNSHINE SMILE COMPANY LIMITED | Private company limited by shares | Live |
| Smile Sunshine Co., Limited | Private company limited by shares | Live |
| Sunshine Smile Co., Limited | Private company limited by shares | Live |
| Smile Sunshine Employment Limited | Private company limited by shares | Live |
| SUPER SMILE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUPERB SMILE LIMITED | Private company limited by shares | Live |
| Superb Smile Limited | Private company limited by shares | Live |
| SURE SMILE LIMITED | Private company limited by shares | Live |
| SMILE TALENT LIMITED | Private company limited by shares | Live |
| Smile Team Limited | Private company limited by shares | Live |
| HK Smile Technolog Co., Limited | Private company limited by shares | Live |
| SMILE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Angel Smile Technologies Co., Limited | Private company limited by shares | Live |
| SMILE ON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SMILE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SMILE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK Smile Technology Company Limited | | Live |
| Smile Led Technology Co., Limited | Private company limited by shares | Live |
| Smile Yan Electronic Technology Co., Limited | | Live |
| SMILE TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Live |
| Mister Smile Technology Limited | Private company limited by shares | Live |
| SMILE PRECISION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SMILE INTERNATIONAL TECHNOLOGY RESOLUTION LIMITED | Private company limited by shares | Live |
| SHENZHEN SMILE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SMILE STAGE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| View Smile Technology Limited | Private company limited by shares | Live |
| THAI SMILE COMPANY LIMITED | Private company limited by shares | Live |
| THAI SMILE ENTERPRISE COMPANY LIMITED | | Live |
| Third Smile Limited | | Live |
| TINY SMILE LIMITED -THE- | Private company limited by shares | Live |
| Smile Together Limited | Private company limited by shares | Live |
| TOTAL SMILE GROUP LIMITED | Private company limited by shares | Live |
| TRADE SMILE LIMITED | Private company limited by shares | Dissolved |